<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
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<!--
见 highlight/03.node.js

registerLanguage(languageName, languageDefinition)
+ languageDefinition: a function that returns an object which represents the language definition. The function is passed the `hljs` object to be able to use common regular expressions defined within it.

unregisterLanguage(languageName)
-->
</body>
</html>
